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5 Written questions

5 Matching questions

  1. if one of the acoustic variables of pressure, density, and distance has a rhythmic oscillation then
  2. units of distance
  3. how are sound waves identified
  4. units of density
  5. if something other than pressure, density, or distance has a rhythmic oscillation then
  1. a oscillations in acoustic variables
  2. b kg/cm cubed
  3. c cm,mm
  4. d the wave is not a sound wave
  5. e that wave is a sound wave

5 Multiple choice questions

  1. sound pulses through biologic tissue or media and reflections arising from structures in the body return to the xducer and are processed into images
  2. particles move in the same direction that the wave propagates
  3. the resultant wave is smaller (of lesser amplitude) than either one of its components
  4. sound, light, magnetic, and heat
  5. straight or longitudinal

5 True/False questions

  1. transverse waveparticles move in a direction that is perpendicular (at right angles) to the direction that the wave propagates

          

  2. what does sound need to traveloscillations in acoustic variables

          

  3. what is used to accurately describe the characteristics of a sound wavethere are 7 acoustic parameters: period, frequency, amplitude, power, intensity, wavelength, propagation speed----wif papp

          

  4. interference of waves with different frequencieswhen the frequencies of the waves differ, both constructive and destructive interference occur

          

  5. which acoustic variables are used to distinguish between sound waves and other types of wavesthe molecules are alternately compressed and rarefied (stretched apart)